HIGH CVSS 7.2
Published: 2019-02-23

CVE-2019-9042

sitemagic sitemagic_cms Security Advisory (CVE-2019-9042)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2019-9042 impacting sitemagic sitemagic_cms. Evaluated with CVSS Base Score of 7.2 (HIGH).

Original NVD Description

Source: NIST NVD
An issue was discovered in Sitemagic CMS v4.4. In the index.php?SMExt=SMFiles URI, the user can upload a .php file to execute arbitrary code, as demonstrated by 404.php. This can only occur if the administrator neglects to set FileExtensionFilter and there are untrusted user accounts. NOTE: The maintainer states that this is not a vulnerability but a feature used in conjunction with External Modules

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
High (PR:H)
Administrative credentials required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product sitemagic / sitemagic_cms
Affected Versions 4.4
Weakness Enumeration CWE-434

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2019-9042 impacting sitemagic sitemagic_cms.

⚡ Nuclei Detection Template (YAML) cve-2019-9042.yaml
id: cve-2019-9042

info:
  name: sitemagic sitemagic_cms - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2019-9042 affecting sitemagic sitemagic_cms.
    Evaluation: An issue was discovered in Sitemagic CMS v4.4. In the index.php?SMExt=SMFiles URI, the user can upload a .php file to execute arbitrary code, as demon...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2019-9042
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 7.2
    cve-id: CVE-2019-9042
    cwe-id: CWE-434
  tags: cve,cve-2019-9042,sitemagic,sitemagic_cms,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "sitemagic_cms"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2019-9042.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2019-9042
# Target: sitemagic sitemagic_cms | CVSS: 7.2 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2019-9042 (sitemagic sitemagic_cms)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against sitemagic sitemagic_cms scope (4.4).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2019-9042.sh
# Recommended Remediation & Patching Commands for CVE-2019-9042
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install sitemagic_cms 2>/dev/null || \
sudo dnf upgrade sitemagic_cms 2>/dev/null || \
sudo yum update sitemagic_cms

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i sitemagic_cms 2>/dev/null || rpm -qa | grep -i sitemagic_cms

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2019-9042 in sitemagic sitemagic_cms?

Review vendor-specific security notices and update sitemagic sitemagic_cms packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2019-9042?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2019-9042?

CVE-2019-9042 is classified with a CVSS 3.1 Base Score of 7.2 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.2
HIGH SEVERITY
CVE ID CVE-2019-9042
Weakness CWE-434
Vendor sitemagic
Product sitemagic_cms
Published 2019-02-23
Vector CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H